Is this GF app icon
Is This GF?Gluten Free Scanner App

Gluten Containing Ingredient

Does Shoyu contain gluten?

Shoyu Contains Gluten

Japanese soy sauce containing wheat unless labelled gluten free.

Gluten-Free Exceptions

The following variations of this ingredient are considered gluten-free:

  • gluten free shoyu
  • wheat free shoyu

Need more confidence reading labels?

Available on the App Store

Download the Gluten Free Scanner App

Our goal is simple: help anyone with celiac / coeliac disease, or gluten intolerance make confident food choices. The Is this GF? app scans ingredient labels and matches them against our comprehensive gluten blacklist, including individual ingredient exceptions.

Scan to download our gluten free scanner

QR code to download Is this GF? gluten free scanner app from the App Store

Community-Driven Accuracy

Found an ingredient that should be handled differently? Use the in-app “report issue” feature. Your feedback helps improve our gluten blacklist and makes the scanner more accurate for the entire celiac community.

Available now on the App Store for iPhone.

Download Is this GF? on the App Store
Back to Gluten Blacklist